Neodymium magnets strength chart. 2. Neodymium magnets strength chart

After that, they also used an apple to do the experiment to test how strong neodymium magnets can be. Magnet neodymium magnets temperature chart strength magnetic low performance n52 rare earth temperaturesNeodymium magnet grades Neodymium magnets grades permanentSafety info – magneticpoetry. Ferrofluid on glass, with a rare-earth magnet underneath. Support the scale perpendicular to the magnet so the test piece just touches the magnet and the magnet attaches itself. Other than that, there are only minor differences between the two grades. The number comes from an actual material property, the Maximum Energy Product of the magnet material, expressed in MGOe The grades generally available to buy, range from N30 to N52 as lower grades are generally no longer manufactured. N35 is, therefore, the weakest and n50 the strongest of the neodymium magnets. They are from the Rare-Earth magnet family and have the highest magnetic properties of all permanent magnets, stronger than Samarium Cobalt (SmCo), Alnico and Ferrite. From £12. Neodymium dust and salts are very irritating to the eyes. Additionally, these particles have a magnetic anisotropy of 4. Historically, Neodymium reached an all time high of 1520000 in February of 2022. Neodymium magnets are rare-earth magnet materials with the highest magnetic properties. Neodymium magnets are permanent magnets (i. has the highest permeability on the chart, and. 49. Unexpectedly, after the. In general, the higher the maximum energy product value, the greater the magnetic field the magnet will generate in a particular application. Measuring Magnetic Field Strength of Neodymium Magnets Using a Gaussmeter. They have an elaborate manufacturing process of vacuum melting, milling, pressing and sintering. Abrading & Polishing;. Essentially, the higher the N rating, the stronger the. Neodymium magnets are. The tetragonal Nd 2 Fe 14 B crystal structure has exceptionally high uniaxial magnetocrystalline anisotropy (HA~7 teslas – magnetic field strength H in A/m versus magnetic moment in A. Fingers are quickly caught between them which can cause blood blisters or cuts. 27kg Pull. combination of high magnetic output at moderate cost. fastest shipping! No Minimum Order! K&J Magnetics, Inc. This data sheet covers the standard production range of NdFeB magnets (currently 55 grades) that are commonly. As gravity tries to pull the magnet down, the friction between the magnet and the door prevents it from sliding. Quantity. They are assigned the values 35, 38, 40, 42, 45, 48, 50 and 52 with a prefix lettering, N (neodymium). Each magnet has a grade, which typically denotes its strength. Demagnetization curve is a very important indicator of magnetic characteristic. com, we do not compromise on quality, the majority of our magnets are grade N42 or above, making them 20% more. Our neodymium mounting magnet selection features – countersunk, counterbored, threaded male and female studs, and hook magnets in standard and metric sizes. Traditionally, magnetizing field H, is measured in amperes per meter. Magnetization Options. New in 2020, we’ve added more curves, and a coatings chart to assist with corrosion. But there's an even easier way to think of permeability. Neodymium (Nd), chemical element, a rare-earth metal of the lanthanide series of the periodic table. The magnetic field of a neodymium magnet can reach up to. WPH-LG. Traditionally, magnetizing field H, is measured in amperes per meter. The necessary. At this point, a neodymium magnet’s direction of magnetism will alter, resulting in a loss of performance between 10 and 20%. 150 // 130 ┴. Our business aims to operating faithfully, serving to all of our clients , and working in new technology and new machine continuously for Neodymium Magnet Strength Rating, Dc Neodymium Magnet Motor, Can You. I. This will certainly damage any standard Neodymium Rare Earth Tube Magnets or Magnetic Separators. Grades of ndfeb magnetsBuy strong neodymium magnets,rare earth magnets,n52 magnets reviews Magnet grade grades magnets neodymium strong rare earth strength n52 temperature strongest reviews buy should chooseGrades magnets teachersparadise. Low working temperature for heat applications, but higher levels of heat resistance materials are being. Topics Covered in this Guide. 56% since the beginning of 2023, according to trading on a contract for difference (CFD) that tracks the benchmark market for this commodity. Magnetic Properties 41,300. 15 Sep 2023. A round neodymium magnet with a diameter of 15mm and a thickness of 4mm has a pull force of about 2. BuyMagnets. 200℃ (392℉) Neodymium Magnet ( also called Neodymium Iron Boron Magnet, Strong Magnet) can be supplied in different grade and size. Watch on. The main ingredients of a neodymium magnet are neodymium itself, iron, and boron; the chemical compound known as NdFeb. A higher grade number indicates a higher magnetic strength. Besides, in 10 years, a neodymium magnet might not lose up to 10% of its strength. N42 – Low to mid-range neodymium magnet with lower magnetic properties than N45 and N48. Even at the boiling point of liquid nitrogen, -196°C, there's still roughly 87% of the field strength you would find at room temperature. They have an elaborate manufacturing process of vacuum melting, milling, pressing and sintering. W. 4 Teslas, while other types typically range from 0. 52. A. Flexural Strength-0. When a permanent magnet is fully magnetized, its magnetic. Alnico magnets are permanent magnets made of aluminum, nickel, and cobalt. Since 2004, AEMagnet has been a trusted neodymium magnet supplier. Strength magnets neodymium safety info. While N52 magnets have a strength of 52 MGOe, a magnet made to work in any direction might only achieve 10-12 MGOe. See our Specs page for more Br values for various neodymium magnet grades. We provide a variety of shapes (discs, blocks, spheres, and more) in sizes ranging from small to large, and grades, including N35, N42, and N52. Never use clips or pins to hold that badge to your garments again! Our magnetic badge holders will not damage your clothing and are easy to use!!Thickness (Inches) – Direction of Magnetization: Calculate Result. It is a method of measuring a magnet’s max strength & the limit of that magnet’s holding power. strength (MPa 70 Density (Mg/m3) 4. The major application of neodymium is in high-strength. Compared with many cheaper N35 grade neodymium magnets, their magnetism is 20% higher. The 12,000 Gauss neodymium grate magnet option has a pull strength of 13. 15,829. Most neodymium magnets are plated with nickel. When larger magnets are brought close enough together they can have a surprising amount of power. 75 pounds). From magnetic map holders for holding large maps or charts in the field, to strong magnetic bulldog clips for organizing offices or homes, neodymium hook magnets for hanging commercial signs, installing trade show displays or countersunk magnets for mounting hardware, we offer a wide range of heavy-duty magnets for high-strength. Of Br −0. Some of which are N35, N38, N42, N45, and N48. The magnet with Ni-Cu-Ni coating will have a much higher pull force than a magnet with plastic coating. 90%. Example # 1 is our 1/2" diameter x 1/8" thick, Grade N42,. WARNING: KEEP OUT OF REACH OF CHILDREN. Of Thermal Expansion 3. 8 kilo-Gauss. Historically, Neodymium reached an all time high of 1520000. If everything else is equal, a magnet with a BHmax that's 10% higher will have about a 10% higher pull force. If it is exceeded, then the small loss will not be recovered on. There are several important distinctions between these two types of magnets, including composition, strength,. Christianity vs. Neodymium is also used in the glass for tanning booths, since it transmits the tanning UV rays but not the heating infrared rays. Counter-bored neodymium magnets with opposite poles on the counter-bored faces provide a secure hold and because neodymium is the strongest magnetic material in the world a magnet just 5mm in diameter can be effective. $20. Larger magnets (30 cm3+) can crush fingers and break bones. The. The main phase of Neodymium magnet is Nd 2 Fe 14 B and maximum energy products achieved 280kJ/m 3 at that time. In terms of power, a rare earth magnet is about 2-7 times stronger than a standard magnet. For the Thanksgiving Day holiday, orders placed after 1:00PM EST on Wednesday, 11/22/2023, will be shipped on Monday, 11/27/2023. Neodymium compounds are of low to moderate toxicity, yet its toxicity has not been thoroughly investigated. Neodymium Magnets Features & Characteristics. In magnetic jewelry we can count the number of magnets, measure the. Permeability is typically represented by the (italicized) Greek letter μ. The epoxy magnet with no visible rust tested just fine. Neodymium alloys are used to make high-strength neodymium magnets, a powerful permanent magnet. $1. Box Package, SCD156. dia x 1/32 in. Magnets tend to lose their strength over time. e. This strength is due to the tight arrangement of the crystalline structure of. But among all the types of magnets available, neodymium magnets tend to lose their strength less. As a rule Neodymium Magnets lose 0. They will retain their power over hundreds of years. In stock and ready to ship. If they break apart, the small pieces can be a choking hazard. Press-Fit Encased Magnets. How strong is grade N52? - Grade N52 strength is the highest neodymium magnet. The names of all neodymium magnets begin with “N”, which means neodymium. pull. e. Besides the relatively lower Curie temperature, Nd 2 Fe 14 B is an. With a few assumptions, flux density (in Gauss) can be related to the expected pull force. High strength N45 Grade Neodymium is used to produce this disc-shaped magnet. For Neodymium (NdFeB) Magnets the BHmax will range, in general, from 30 MGOe to 55 MGOe. Neodymium magnets have a strength grade associated with them, from N30 to N52. For example: N42 of sintered ndfeb magnet, BNP10 of bonded neodymium magnet, 30H of smco 2:17, alnico5, ferrite Y30 or PA6 of injection molding ferrite. Magnetic Field Calculator. 85 kilo-Gauss for Ceramic magnets. Neodymium magnets in the UK are the strongest commercially available magnets, meaning that. Fish stirring bars out of containers using the magnetic end of these retrievers. Most of our magnets are grade N42 or above. It is the force that a magnet can exert on an object made of ferromagnetic material, such as iron, nickel, or cobalt. 5 to 1 Tesla. The Surface Field is the strength of the magnetic field measured right at the surface of the. Total demand for Rare Earth Oxides is seen growing at 4% per annum by CRU. Neodymium Magnets Strength Chart. Neodymium magnets are. A ferrite or ceramic magnet usually. 67. totalElement is your go-to supplier for powerful neodymium rare earth magnets for sale. Basially, N35 grade, N38 grade, N40 grade and N42 grade, these are the most common grade for most applications. 65kg. F332. Keep in mind that "ease of magnetization" is different from "strength of magnetization" because most materials that become easily magnetized are not strong magnets. 2 Customers are advised to consult us on any application involving temperatures near to 150°C. The successful development of Neodymium magnet announced the birth of the third. Have a look at this simple chart with the adhesive force of magnets with different sizes, grades and materials: The majority of the magnets sold by Amazing Magnets are Neodymium Iron Boron (NdFeB) , and most of our stock products are Grade N40 . 5 to 7. With a few assumptions, flux density (in Gauss) can be related to. Pull the scale upward very slowly while maintaining a perpendicular angle. Horse bootHorse mountain chart footwear guide rider measurement Mountain horse mountain high rider ii tall bootNew mountain horse aurora. All Neodymium magnet grades begin with the letter ‘N’, representing ‘Neo’ or Neodymium. The resistance of the crystal lattice to turn its. Many online calculators we've seen determine pull force based on a theoretical calculation of the flux density. The strongest magnet ever constructed weighed 34 tons and was 22 feet tall. Neodymium Iron Boron magnets are the strongest permanent magnets available at room temperature and up to about 180 degrees C –measured by their magnetic Remanence (Br). This is the super short answer to a question which touches a topic with a lot of facets. There. Production R&D. A round neodymium magnet with a diameter of 20mm and a thickness of 3mm has a pull force of approximately 3. In fact, according to. Neodymium has one of the highest magnetic properties of any magnetic alloy. There. Alnico has high magnetic strength and low resistance to being demagnetised and re-magnetised, which is why Alnico plays a critical part in all electro. christian beliefs. Quantity. Visit our neodymium magnet materials page for additional. Magnetic strength is most commonly measured in two ways: grade and. Menu. Each magnet has a grade, which typically denotes its strength. Neodymium (neo) magnets, which are part of the rare earth magnet family, are popular for their extreme strength in a compact size and weight, and for their high coercive force (they are permanently magnetized for use in temperatures below 590°F). Neodymium (also known as "NdFeb", "NIB" or "Neo") disc magnets are the most powerful rare-earth magnets available today. Permeability (electromagnetism) In electromagnetism, permeability is the measure of magnetization produced in a material in response to an applied magnetic field. Magnet ID: Disc-10x5mm-N45-Ni. You can measure the magnetic field in teslas or the magnetic flux in webers or Teslas • m 2 ("tesla square meters"). From £6. F. N35 Neodymium Disc Magnet: Superior Strength in a Compact Size. 5550 FOR A FREE QUOTE. Reach around corners and obstructions to inspect hard-to-see areas. (Field Strength) (PermeanceCoeff 1) di B Hd + = (oersteds). For magnetic flux strength and magnetic force (H), convert from Oersteds (Oe) into Amps per meter (A/m). Neodymium magnets are graded by their maximum energy product (BH)max with N52 grade neodymium providing the greatest magnetic performance and N35 being the weakest. The basic idea is to make a magnet float by holding it up with the repelling force from another magnet. Make sure that all contact surfaces are clean and dry prior to bonding. These magnets are widely used in products like microphones, professional loudspeakers, in-ear headphones, high-performance hobby DC electric motors, and computer hard disks, where low magnet mass (or volume) or strong magnetic fields. com, we do not compromise on quality and the majority of our magnets are grade N42 or above, making them 20% more magnetic than many cheaper N35 grade neodymium magnets. The “N52” in N52 neodymium magnets refers to the maximum energy product, which measures the magnet’s energy density or magnetic strength. Neodymium magnets (NdFeB) are super strong and are the strongest rare earth permanent magnets available. 17 Jun 2019. The best magnet to use for magnet fishing is a neodymium magnet as their relatively compact size can have a huge pull force. they generate their own magnetic field) made from an alloy of the metallic elements neodymium, iron and boron. 9. If we go back further to Jan 1st 2018, when the cost of neodymium was $70. R 11. The main ingredients of a neodymium magnet are neodymium itself, iron, and boron; the chemical compound known as NdFeb. So, when defining your magnet need, keep in mind that the higher the number,. 1 - Neodymium iron boron (NdFeb) Neodymium magnets are the most powerful magnets available (per unit volume) with the ability to attract 1,000 times their own weight. Neodymium magnets are a combination of Neodymium (Nd), Iron (Fe) and Boron (B), and are also referred to as NdFeB or Neo. Generally speaking, the higher the grade, the stronger the magnet. Frenergy Magnets offer a wide, inexpensive, and high-quality range of Neodymium Rare Earth Magnets to customers both in Australia and overseas, ranging in grades from N35 to N52, and in pull force from 58grams to 1000kg. These ferrite magnets have a medium magnetic strength ratio and they can be used at high temperatures. The major application of neodymium is in high-strength permanent magnets based on Nd 2 Fe 14 B that are used in high-performance electric motors and generators,. Neodymium is the strongest type of permanent magnets, samarium cobalt is the second strongest. like steel or iron. Science Project Magnets. Fill in all of the blank calculation fields, click the calculate button and the results will appear. Double the N number and you get. This tool calculates magnetic field strength measured in gauss, on the centerline of a disc magnet or ring magnet magnetized through its thickness, at a distance of X from the surface of the magnet. 5/cm³ Vickers Hardness 600Hv Tensile Strength 8. 70 per kg on Jan 1st 2021 it has increased +14. 76mm). The maximum energy product of a magnet is measured in Mega Gauss Oersteds (MGOe). The most significant difference between N35 and N52 neodymium magnets is their magnetic strength. Neodymium magnets in the UK are the strongest commercially available magnets, meaning that they can lift objects many times their weight. Commercially available neodymium. com stocks multiple widths and lengths of grate magnets and provides fast shipping for your convenience. Looking for Super Strong Neodymium Magnets?. That “N” number relates to their maximum energy product, a measure of strength expressed in MegaGaussOersteds, or MGOe. These values are based on both theoretical models and extensive laboratory testing. Neodymium magnets (also known as "NdFeB", "Neo" or "NIB" magnets) are permanent magnets made of neodymium, iron & boron. It is lower in cost but approximately 30% less potent than N52. 04%. Due to their high magnetic strength and relatively low-cost, neodymium magnets are. This number is a material property which is independent of the magnet shape. It is hard to pull apart both N35 and N52 magnets, so it is tough to tell which is which just by pulling them apart. NOTE: This calculator is currently a beta version and is intended only for reference. If your application involves higher temperatures, see our D66SH (Super High Temp) cylinders or D82SH discs . A higher N is stronger. The number in the magnet grade refers to the strongest point of the material’s B-H curve, or its maximum energy product. However, it is important to keep rare earth magnets away from young children. These magnets can then sliced into smaller magnets or ground to tighter tolerances. Frenergy Magnets offer a wide, inexpensive, and high-quality range of Neodymium Rare Earth Magnets to customers both in Australia and overseas, ranging in grades from N35 to N52, and in pull force from 58grams to 1000kg. The pull force of a magnet is determined by the strength of its magnetic field and the size and shape of the magnet. Read more about these two types of magnets. Technical information about different grades of super strong neodymium magnets. Water Treatment Magnets. They are widely used as. Portable Strong Magnet Strap Belt Tools Holder Screws Nuts Nails. Not only are they more potent, but they are also more compact, offering superior performance in a smaller package—a. Unlike standard neodymium magnets, high-temperature neodymium magnets are suitable for use at operating temperatures of up to 300° Fahrenheit (149° Celsius) – depending on the magnetic circuit. This magnet produced from rare earth. They are made from inexpensive raw materials and are very economical to produce. Despite their mega strength, Neodymium magnets are considered to have a low maximum temperature resistance. 2-0. 5X5CS. Test results shown to allow comparison between plating options. Alnico magnets have 5 to 17 times the magnetic force of magnetite or lodestone. Unit Conversion Calculator: This calculator deals with converting key magnetic units. The material and grade of a magnet refer to a set of properties that ultimately yield the magnet’s performance. 385. they generate their own magnetic field) made from an alloy of the metallic elements neodymium, iron and boron. Alnico magnets have 5 to 17 times the magnetic force of magnetite or lodestone. Jun 10, 2009. Alnico magnets come in several variations with different amounts of aluminum, nickel, and cobalt. Nolen (National Superconducting Cyclotron Laboratory, 09/87) demonstrated SmCo having a better performance, with Sm 2 Co 17 offering 2-40 times. According to a study published in the Journal of Magnetism and Magnetic Materials, neodymium magnets typically have a magnetic energy density between 30 and 50. high-performance neodymium-iron-boron magnets is in the motors of electric and hybrid vehicles. Moderately priced. Magnetic properties In its pure form, neodymium has magnetic properties—specifically, it is antiferromagnetic —but only at low temperatures, below 19 K (−254. The edge radius also provides a moreAt today’s price of $125. In addition to their high magnetic strength, they are. Every type of rare earth magnet, whether neodymium, AlNiCo, or something else, has its own alphanumerical system for classifying strength. 5mm I. It provides information about the strength of the magnet, how hard it is to demagnetize, and how a magnet's shape (or. Neodymium magnets, which require rare earth elements, tend to cost significantly more. The magnetic moment of a substance can be calculated based on whether the substance is an inherent magnetic field or a magnetic field caused by an electric current. This disc magnet has the power of N35 grade neodymium alloy and promises durability, consistency, and powerful magnetic strength. This is a special glass for goggles used during glass blowing and welding. These magnets can then sliced into smaller magnets or ground to tighter tolerances. Just put two neodymium magnets with opposite magnetic poles on both sides, place some objects in the middle of the two magnets, and then release the two magnets to test the. Characteristics: Not as brittle as SmCo, but should not be used at temperatures above 300°F, without. Small neodymium magnet disk (1 mm x 1 mm) axially magnetized with high magnetic strength (N52). Generally speaking, higher grade numbers indicate a stronger or more powerful magnet. At Adams Magnetic Products, we offer the following types of hard ceramic magnets: Ceramic ring magnets: These magnets are typically used in craft, hobby, and manufacturing projects. 4 teslas. Continue reading → 1 - Neodymium iron boron (NdFeb) Neodymium magnets are the most powerful magnets available (per unit volume) with the ability to attract 1,000 times their own weight. It shows the minimum distance to get below 5 gauss for many disc / cylinder magnet sizes. MAGCRAFT® Neodymium Magnets Strong Neodymium Magnets Rare Earth K&J Magnetics. It refers to the maximum magnetic energy that the material can be stored. In general, higher numbers indicate a stronger magnet. Neodymium magnets are also commonly used in engineering and manufacturing where compact size and maximum strength are required. For a comparison of neodymium material grades, please see our chart of material properties. OK. Be aware that standard neodymium magnets will lose strength if heated over 178°F. The difference between n35 and n50 magnets is the maximum strength that they can be magnetized to. Using neodymium ring magnets (0. DIYMAG specialized in the research, development, application and production of high-qualified magnets and magnetic assemblies. F888-646-4. A round neodymium magnet with a diameter of 15mm and a thickness of 4mm has a pull force of about 2. Holding Power: 7 lbs. For further information on bespoke magnet assemblies and magnet designs, please contact us via: Phone: +44 (0) 1442 875081. The grade of the metal, surface condition and angle of pull all have an impact on the pull strength. 0. Neodymium (NdFeB) magnets are incredibly strong and have a maximum strength (BHmax) from 30 MGOe to 55 MGOe. Buy neodymium magnets in over 250 different shapes and sizes, including strong N42, N52, and N55 magnets. Wear gloves when handling larger magnets and always handle with care. The Cost: If budget is a concern, ferrite magnets are more affordable. The distance between the magnets and the track rails is significant because the downforce is proportional to the square of the distance between them. magnet pull strength: Exposing magnets to high temperatures outside their design range may cause magnets to fail completely or show signs of weakening. The magnets are positioned with opposite poles facing one another, so that the magnets are attracting towards one another. 02-18-2021, 07:50 AM. Sintered Neodymium-Iron-Boron Magnets. Inhalation overexposure of iron dust may cause siderosis, a benign pneumoconiosis. Most come in round shapes, but we also offer a few Rectangular Mounting Magnets. Material corrodes easily and should be coated (plated) for long-term maximum energy output. Simply put, the maximum energy product is an indicator of magnet strength. In summary, the longevity of a neodymium magnet depends on various factors, including environmental conditions, usage, handling, and the quality of the magnet. Check out our full collection here. 00. This tool calculates magnetic field strength measured in gauss, on the centerline of a disc magnet or ring magnet magnetized through its thickness, at a distance of X from the surface of the magnet. They are over 10 times stronger than the strongest ceramic magnets. High-temperature neodymium. These indicate maximum working temperatures (we use celsius temperature), which range from M (up to 100 °C) to AH (220 °C). They also have many uses in creative applications such as models and theatre design, furniture making, exhibition stands, and packaging. There are eight standard grades of these permanent rare earth magnets. The higher the grade, or N number, the incrementally stronger the magnet will be. Our Superiority: Customized is Available! * T/T, L/C, Paypal and other payment accepted. Key Features: Material: Premium N35 Neodymium. The north pole is indicated in red, and the south pole in indicated in gray. It can be showed by the magnet’s Demagnetization Curve, or BH Curve – the strongest point is (BH)max. Understanding the magnet grades is an important factor in choosing the correct magnet for the application. They are from the Rare-Earth magnet family and have the highest magnetic properties of all permanent magnets, stronger than Samarium Cobalt (SmCo), Alnico and Ferrite. Neodymium magnets are available in a wide variety of grades such as N42, N52 and N42SH. Sharp edges from grinding or slicing and dicing magnets are more fragile and have an increased tendency to chip. Small magnets are used in the production of jewellery and for jewellery clasps. That's the property that tends to redirect the electromagnet's field through the core. Br, Residual Induction. In conclusion, the strength comparison between electromagnets and neodymium magnets reveals a captivating interplay of dynamic adaptability and unwavering permanence. They are also great to be used as magnet fasters for. 00 per kg, neodymium changed –40. Boots horse mountain sovereign riding rider tall equestrian ladiesMountain horse winter boot collection – mountain horse usa Buy mountain horse vermont lace tall bootHorse boot size chart. Magnets can be used to generate magnetic fields in neural electrical activity research. 5 times Ferrite magnets). “N52” represents the strength of the magnet. Pull-Off Test: A pull-off test is a simple and effective method to test the adhesive strength of a magnet. Magnets don't pull with any lateral force when stuck to a steel plate. 472'' Dia. A Neodymium (Nd-Fe-B) magnet is a common rare earth magnet composed of neodymium (Nd), iron (Fe), boron (B), and transition metals. Generally speaking, neodymium magnets range from N35 to N55 in grade. Every type of rare earth magnet, whether neodymium, AlNiCo, or something else, has its own alphanumerical system for classifying strength. Additional info. Copper and titanium may be added to increase magnetic strength. To clarify the power of the world's strongest magnet, a strong refrigerator magnet is 100 gauss. 1. The resultant space efficiency is a major advantage in modern, minimalist speaker designs where space is at a premium. Due to their strength, neodymium magnets have found their way into various technologies, from phones and laptops to motors in electric vehicles. For this reason, neodymium magnets are also known as NdPr magnets. National Imports manufactures MAGCRAFT® brand neodymium magnets for science, innovation, engineering, and. Common finishing options include uncoated, nickel (Ni-Cu-Ni) and gold (Ni-Cu-Ni-Au) plated coatings. These values are based on both theoretical models and extensive laboratory testing. Add to cart. ¸ 9. It is an N45 grade rare earth magnet. Suggestion: With the progress of technology, the magnet performance may be changed, customers should refer to the latest version of our company; in addition to the above NdFeB magnet grades, our company can also produce special performance NdFeB magnets, welcome to contact us. The addition of cobalt, terbium, dysprosium, and other elements to the sintered neodymium iron boron raw materials. Compression Strength: 950 MPa (137,800 psi) Tensile Strength: 80 MPa (11,600 psi) Vickers Hardness (Hv) 560-600: Young's Modulus: 160 GPa (23,200 ksi) Recoil. Our collection of small and large Neodymium magnets are susceptible to demagnetization at elevated temperatures. Identify the poles: Determine the weakened and strong permanent magnet’s north and south poles. Larger numbers mean a higher surface field strength, so for a given size of magnet, one with a larger number will be stronger. The magnetic field of a neodymium magnet reaches about 1.